CN208489331U - A kind of heat dissipation of battery pack and heating device - Google Patents
A kind of heat dissipation of battery pack and heating device Download PDFInfo
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- CN208489331U CN208489331U CN201820729571.2U CN201820729571U CN208489331U CN 208489331 U CN208489331 U CN 208489331U CN 201820729571 U CN201820729571 U CN 201820729571U CN 208489331 U CN208489331 U CN 208489331U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides heat dissipation and the heating device of a kind of battery pack, including multiple single batteries, refrigerant, radiator, layered seal plate, groove profile pipeline, seal cover board and phase-change material；Longitudinal subdivision inside described device is multilayer space by the layered seal plate, and refrigerant is distributed in close in the sheaf space of the positive and negative pole of battery, and middle space is filled with phase-change material；When battery temperature increases, vaporization refrigerant carries out wind cooling temperature lowering along the fin radiator that the heat pipe on the upper cover plate of cabinet conducts heat to outside；The groove profile pipeline that setting is distributed in rectangular-ambulatory-plane between single battery, groove profile pipeline connect at diagonal line, form a plurality of access, and liquid, which is filled in groove profile pipeline, carries out liquid circulation cooling or heating；Also set up temperature detector and controller, according to the multistage heat dissipation of battery pack case intracorporal actual temperature starting or heating system, realize various ways combine, uniformly, efficient heat dissipation and heating effect.
Description
Technical field
The utility model relates to battery pack technical fields, heat dissipation and heating device in particular to a kind of battery pack.
Background technique
Since the environmental pollution of modern society is got worse, vehicle exhaust is a larger factor for influencing air quality,
The environmental consciousness of people constantly enhances.Clean energy resource of the battery as substitution fossil energy, the application effect on electric vehicle
Gradually approved by the public, so that electric car is also more more and more universal.Multiple electricity are distributed on the solar panel of electric car
Chi Bao, battery pack are usually connected by multiple battery packs, provide power supply, while also continuous stored energy source for electric car.So
And battery pack is enclosed construction, operating current is big, and the heat of generation is big.If lacking effectively heat dissipation, the temperature of battery may cause
Height is spent, charging and discharging capabilities and the service life of battery are influenced, it is serious also to cause battery spontaneous combustion.
Current battery pack radiator structure, is usually taken single radiating mode, and multiple conducting-heat elements and vent passages are arranged,
Then in such a way that electric fan carries out wind-cooling heat dissipating, or using liquid cooling or the radiator structure of phase-change material.However, battery pack wind
The effect of cold heat dissipation is unbalanced, and the internal temperature difference is larger, it is difficult to maintain the suitable temperature of battery.In addition, current liquid-cooling heat radiation
Efficiency need to be improved.Meanwhile China's the South and the North temperature difference is larger, especially in the northern area in winter, outdoor temperature warp
Often reach subzero, the temperature of battery is too low also to be created great difficulties to the starting of electric car.The above problem be battery pack and
The popularization of electric car brings obstruction, prevents people from electric car safe to use.
Therefore, the radiating management of battery pack is particularly important, it is desirable to provide a kind of heat dissipation of the battery pack of higher efficiency and adds
Thermal.
Summary of the invention
The utility model in view of the deficiency of the prior art, propose one kind of multiple modes combine, heat exchange efficiency it is high
Battery pack heat dissipation and heating device.The heat dissipation of the battery pack and heating device mainly pass through refrigerant, phase-change material, electromagnetism
What heating member, liquid cooled and heated is used cooperatively, and realizes the second level temperature regulation of battery pack, it is equal to reach battery of electric vehicle heat dissipation
Even, high-efficient effect.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of heat dissipation of battery pack and adding
Thermal, which is characterized in that described device includes multiple single batteries, refrigerant, radiator, layered seal plate, groove profile pipeline, close
Cover plate and phase-change material；Wherein, seal cover board includes upper cover plate and lower cover plate, and layered seal plate is by the inside of described device
Longitudinal subdivision is multilayer space, and refrigerant is distributed in close in the sheaf space of the positive and negative pole of battery, and the layered seal plate will be described
The positive and negative electrode column sealing of battery is simultaneously separated with the refrigerant, and groove profile pipeline is distributed in battery ambient, and liquid is filled in the groove profile
In pipeline.
Optionally, the quantity of the layered seal plate be 4, respectively first layer sealing plate, the second layered seal plate,
Third layered seal plate, the 4th layered seal plate, the layered seal plate is by the space longitudinal subdivision where single battery shell
It is 3 layers, respectively upper space, middle space, lower layer space, upper space and lower layer space are respectively positive and negative close to battery
The sheaf space of pole is filled with refrigerant in upper space and lower layer space, in middle level filled with phase-change material in the space in, first
Layered seal plate and the 4th layered seal plate are separated by the positive and negative electrode column sealing of battery and with the refrigerant.
Optionally, electromagnetic heating part is provided on each single battery, the electromagnetic heating part is to be wrapped in battery case
Electromagnetic heating coil on body or the electromagnetic heating film being coated on battery case.
Optionally, the groove profile pipeline is distributed between the single battery in rectangular-ambulatory-plane, diagonal between groove profile pipeline
It is connected at line, forms access；The height of the groove profile pipeline is close with the height of the single battery.
Optionally, the upper and lower lids have will on the concatenated circuit interface of each single battery and upper cover plate uniformly
The radiator of connection heat pipe is installed.
Optionally, heat pipe includes shell, liquid-sucking core and end cap, and inside heat pipe is pumped into negative pressure state, is filled with liquid appropriate
Body, liquid-sucking core are located at inner wall of tube shell, are made of capillary-porous material, and described heat pipe one end is evaporation ends, and other end is cold
Solidifying end, one end sealing of the condenser, connect with radiator.
It optionally, further include temperature detector, the temperature detector includes the first temperature detector and/or second temperature
Detector, the first temperature detector are located in coolant media, and second temperature detector is located at the phase-change material and slot of middle space
One or more positions between type pipeline outer wall.
Optionally, the radiator is Round fin radiator.
Optionally, the heat pipe includes long heat pipe and short heat pipe, and the short heat pipe reaches upper space, in upper space
Refrigerant evaporation heat dissipation, the long heat pipe reaches lower layer space, radiates for the refrigerant evaporation in lower layer space.
Optionally, further include controller, be set as two-class heat dissipation, when being arranged in second temperature detector, the temperature that measures
When degree is greater than second threshold, the liquid-cooling circulating system of the controller control starting groove profile pipeline；When at low ambient temperatures, vehicle
When starting needs to preheat, start electromagnetic heating part and/or fluid circulation system heating；In vehicle travel process, second
When the temperature that temperature detector measures is less than four threshold values, start the liquid heating circulation system of groove profile pipeline.
Optionally, when vehicle power supply is turned on, if the temperature of second temperature device detection is less than third threshold value and is greater than the
When four threshold values, controller control starting electromagnetic heating part heating；If second temperature device detects temperature less than four threshold values, control
Device controls while starting the heating of electromagnetic heating part and fluid circulation system；If second temperature detector detection temperature is greater than the
When five threshold values, electromagnetic heating part and/or fluid circulation system are closed in controller control；
In vehicle travel process, if the temperature that measures of second temperature detector is less than four threshold values, controller control
Start the liquid heating circulation system of groove profile pipeline；If the second temperature detector detection temperature is greater than five threshold values, control
Device processed controls the closing liquid circulatory system.Wherein, the 4th threshold value is less than third threshold value, and third threshold value is less than the 5th threshold value.
The heat dissipation of battery pack provided by the utility model and heating device, by the way that multiple sealing demixing plates are arranged by battery case
Space where body is separated into three sheaf spaces, in upper and lower sheaf space to the main heating position of battery i.e. close to positive and negative pole
Position fills refrigerant and carries out high efficiency and heat radiation, and middle space fills phase-change material not only effective, but also in low temperature there is heat preservation to make
With making full use of the self structure of battery, realize the reasonable disposition in space.In addition, setting is in rectangular-ambulatory-plane between single battery
The groove profile pipeline of distribution is connected at diagonal line between groove profile pipeline, forms access, allows cooling liquid fully in pipeline
Interior flowing, heat exchange efficiency is high, also simplifies the structure of liquid inlet and outlet.Meanwhile the heat dissipation of the battery pack of the utility model
With managing device can either start simultaneously refrigerant, radiator, liquid cooling cycle radiation management system, or start battery simultaneously
The heating management system of heating member and hydronic regulates and controls with the use of the efficient temperature for realizing solar panel；It can also lead to
The actual temperature that controller is detected according to temperature sensor is crossed, then controls the corresponding heat dissipation of starting or heating system, Neng Goushi
The now flexibly intelligent temperature regulation of control battery pack, to ensure that the safety and durability of entire battery pack.
Detailed description of the invention
The following detailed description is read with reference to the accompanying drawings, the utility model illustrative embodiments above-mentioned and other
Objects, features and advantages will become prone to understand.In the accompanying drawings, it is practical new that this is shown by way of example rather than limitation
Several embodiments of type, in which:
Fig. 1 schematically shows the structural schematic diagram of the heat dissipation of battery pack and heating device in an embodiment.
Fig. 2 schematically shows the schematic top plan views that Fig. 1 device omits upper cover plate part.
Fig. 3 schematically shows the stereoscopic schematic diagram of groove profile pipeline in Fig. 2.
The diagrammatic cross-section that Fig. 4 schematically shows Fig. 2 at B.
Fig. 5 schematically shows the schematic diagram of layered seal plate in an embodiment.
Fig. 6 schematically shows the schematic diagram of electromagnetic heating coil in an embodiment.
Fig. 7 schematically shows the structural schematic diagram of upper cover plate in an embodiment.
Fig. 8 schematically shows the schematic diagram of heat pipe and radiator in an embodiment.
Specific embodiment
The principles of the present invention and spirit are described below with reference to several illustrative embodiments.It should be appreciated that giving
These embodiments are out just for the sake of making those skilled in the art can better understand that realize the utility model in turn, and simultaneously
It is non-to limit the scope of the utility model in any way.
In one embodiment, as illustrated in fig. 1 and 2, the utility model provides heat dissipation and the heating device of a kind of battery pack,
The device includes multiple single batteries 2, refrigerant, layered seal plate 3, groove profile pipeline 4, radiator 10, seal cover board and phase transformation
Material；Wherein, seal cover board includes by the upper cover plate 8 and lower cover plate of battery encapsulation, and layered seal plate 3 is by the inside of the device
Longitudinal subdivision is multilayer space, and refrigerant is distributed in close in the sheaf space of the positive and negative pole of battery, and layered seal plate 3 is by battery 2
Positive and negative electrode column sealing is simultaneously separated with refrigerant, and groove profile pipeline 4 is distributed in around battery 2, and liquid is filled in groove profile pipeline 4.It is close
The groove profile pipeline of Feng Shi, rectangular-ambulatory-plane distribution individually seal, and phase-change material is sealed by sealing film, and then layered seal plate 3 divides
It is other that the positive and negative pole of battery and middle section sealing are separated.Multiple battery packs are composed in series solar panel, provide for electric car
Kinetic energy simultaneously stores energy.
In order to keep uniform efficient heat dissipation effect in battery pack, such as Fig. 1-3, groove profile pipeline 4 is distributed in rectangular-ambulatory-plane
It between single battery 2, is connected at diagonal line between groove profile pipeline 4, forms access.The height and single battery 2 of groove profile pipeline 4
Height it is close.It can be seen that groove profile pipeline 4 from the groove profile pipeline perspective view of Fig. 3 and be longitudinally formed duct wall, class between battery
The slot being similar between each row's battery.Liquid medium is filled in groove profile pipeline 4, preferably added with the water-soluble of a small amount of ethylene glycol
Liquid.A point multiple directions flow after aqueous solution is located at the entrance entrance of battery pack bottom from groove profile pipeline, sufficiently flow in pipeline
It is flowed out afterwards from the outlet 6 being located above battery pack, realizes heat transfer effect.Since the groove profile pipeline is distributed in rectangular-ambulatory-plane, and right
It is connected at linea angulata, forms multiple accesses, so that after liquid enters in pipeline from entrance, it can be along two side ducts and diagonal line
Pipeline flow, i.e., along the progressive circulation of multi-path, until outlet, the setting of liquid inlet and outlet when reducing circulation liquid cooling.Separately
Outside, which can sufficiently and uniformly contact the whole inner surface of pipeline, heat exchange effect with direction flowing from bottom to top
Rate is higher.
As shown in Figures 4 and 5, the quantity of layered seal plate 3 is 2 or more, and preferably 4, respectively first layer seals
Plate 31, the second layered seal plate 32, third layered seal plate 33, the 4th layered seal plate 34, will be where single battery shell
Space longitudinal subdivision is three layers, respectively upper space 301, middle space 302, lower layer space 303, and upper space 301 is under
Sheaf space 303 is respectively the sheaf space close to the positive and negative pole of battery, filled with cold in upper space 301 and lower layer space 303
Matchmaker is filled with phase-change material, upper and lower two layered seals plate, that is, first layer sealing plate 31 and the 4th in middle level in space 302
Layered seal plate 34 is separated by the positive and negative electrode column sealing of battery and with the refrigerant, is avoided directly contacting with refrigerant and is caused short circuit.
It is corresponding on layered seal plate 3 and accommodates the hole that battery and groove profile pipeline pass through.By taking 18650 batteries as an example, battery case in battery pack
It is three layers that inner space where body is divided by layered seal plate 3, and the height of upper space is 20mm, and the height of intermediate space is
The height of 25mm, lower layer space are 20mm, and the upper and lower space is after positive and negative pole is fully sealed with coolant charging-up, refrigerant
The chlorofluorocarbons of ozone layer will not preferably be destroyed；Battery middle space is filled with phase-change material and is fixed, and phase-change material is preferred
For the paraffin added with a certain amount of graphite.
In one embodiment, as shown in fig. 6, being provided with electromagnetic heating part on each single battery 2, the electromagnetic heating part
Preferably electromagnetic heating coil 5, to be heated when temperature is too low to each piece of single battery 2.Electromagnetic heating coil 5 is thin slice
The spiral metal coil of shape, the screw arrangement on single battery 2 make battery 2 using the electric current to circulate in electromagnetic heating coil 5
Stainless Steel Shell heat production can be the power battery heating with stainless steel battery case.Meanwhile adding in electromagnetism when the temperature is excessively high
Heat coil 5 is that the heat dissipation of battery leaves a fixed gap.After the electromagnetic heating coil spiral winding of single battery middle section, electricity
Middle layer and phase-change material where the shell of pond are in close contact.In addition, in order to reinforce battery heating effect, electromagnetic heating part may be used also
To select electromagnetic heating film, electromagnetic heating film is metal film, and electromagnetic heating film is entirely coated on around battery case and is added
Heat makes battery Stainless Steel Shell heat production using the electric current to circulate on electromagnetic heating film, realizes the electromagnetic heating effect to battery.
In one embodiment, as shown in FIG. 7 and 8, the upper and lower lids of the device have the concatenated electricity of each single battery
The radiator 10 of connection heat pipe 9 is uniformly installed on road interface and upper cover plate 8.The heat dissipation of the preferably circular fin of radiator 10
Device.Heat pipe 9 is located in the heat release hole on upper cover plate, and heat pipe 9 includes shell, liquid-sucking core and end cap, is pumped into negative pressure inside heat pipe 9
State is filled with liquid appropriate, and liquid is preferably the chlorofluorocarbons that will not destroy ozone layer, and this boiling point of liquid is low, is easy
Volatilization.Liquid-sucking core is located at the inner wall of shell, is made of the capillary of porous material.9 one end of heat pipe is evaporation ends, other end
One end for condensation end, the condenser seals, and connect with radiator.When one end of the evaporation ends of heat pipe 9 is heated, capillary
In liquid evaporate rapidly, steam flows to other end i.e. condensation end under small pressure difference, and releases heat, again
Liquid is condensed into, for liquid again along porous material capillary, evaporation ends are flowed back in the effect by capillary force.So circulation is more than, heat
Other end is reached by heat pipe one end, is radiated by the Round fin radiator that other end connects.Radiator 10 is by outside
Natural wind or fan for cooling, usually radiated during electric automobile during traveling using natural wind, made in high-power charging
With fan auxiliary temperature-reducing.
It is all effectively radiated to guarantee that battery heat dissipation capacity is big close to the layering space where positive and negative terminals, heat pipe 9
Including long heat pipe and short heat pipe, short heat pipe reaches upper space 301, radiates for the refrigerant evaporation in upper space 301, long heat pipe
Lower layer space 303 is reached, is radiated for the refrigerant evaporation in lower layer space 303.
In addition, in one embodiment, need to preheat battery before the electric vehicle starting of extremely cold area in winter, this
The magnetic induction line cutting power that Shi Qidong electromagnetic heating coil 5 or electromagnetic heating film, electromagnetic heating coil 5 or electromagnetic heating film generate
The Stainless Steel Shell of battery surface, shell generate heat inside battery is quickly heated, while phase-change material also by
Partial heat.Electric heating system is closed after reaching vehicle driving temperature, the temperature of phase-change material will continue to transmit temperature for battery
Degree keeps battery temperature will not rapid decrease.Vehicle battery after running over itself will continue to heat production, fill out outside single battery at this time
The phase-change material filled just plays a very good insulation effect.It, can be under microthermal climate to reduce the heat losses in battery pack
The air inlet of entire solar panel is closed, in order to avoid the heat losses of solar panel are caused by cooling fin.If electric in the process of moving
The normal work requirement of power battery is still not achieved in pond heat production, is then turned on liquid heating circulation system as battery pack heating.
The utility model provides two kinds of heat management modes of batteries of electric automobile plate heat dissipation and heating, passes through refrigerant, phase
Become the temperature regulation with the use of realization solar panel that material, electromagnetic heating part, liquid cool and heat.To every section single battery
The three-layer sealed management in middle part, upper space and lower layer space mainly play heat sinking function, and middle space mainly plays heating
Function.
In the radiation processes of battery pack, the effect of refrigerant, phase-change material, liquid-cooling system can be opened simultaneously, altogether
It is same to reach heat dissipation effect.The main heating source of battery is sealed respectively in the position close to positive and negative polarities column, two pole parts, is approached
Coolant charging-up gap is directly used in the position of positive and negative polarities column, and the upper cover plate entirely sealed is provided with the radiator of heat pipe, utilizes
Heat is discharged air-cooled technology.Meanwhile periphery is thermally conductive groove profile pipeline as internal liquid cooling system, in groove profile pipeline liquid from
Under flow up, entire battery pack device is cooled down twice, has the effect of fast cooling.
In the heating process of battery pack, start electromagnetic heating coil 5 or electromagnetic heating film and battery is heated, also unlatching liquid
Body heating circulation system is battery pack heating, and phase-change material has the function of transmitting temperature and heat preservation.
In one embodiment, for the ease of according to current actual temperature, effectively being radiated and heated management, the device
It further include temperature detector and controller, temperature detector includes the first temperature detector and/or second temperature detector, and first
Temperature detector is located in coolant media, second temperature detector be located at middle space phase-change material and groove profile pipeline outer wall it
Between one or more positions.Controller is set as two-class heat dissipation, when the temperature measured that second temperature detector is arranged in is greater than
When second threshold, the liquid-cooling circulating system of the controller control starting groove profile pipeline；When at low ambient temperatures, vehicle launch needs
When preheating, start electromagnetic heating part and/or fluid circulation system heating；In vehicle travel process, second temperature detection
When the temperature that device measures is less than four threshold values, start the liquid heating circulation system of groove profile pipeline.
In battery high power discharge or charging, heat is transmitted to refrigerant close to the position of positive and negative pole by battery case, cold
Matchmaker starts evaporative heat loss, vaporization refrigerant is along the heat pipe of heat release hole until wing when the temperature after heated reaches first threshold
Sheet heat radiator cools down；Vaporization refrigerant after cooling condenses again to be formed liquid and flows back into cell sealing layer further through heat pipe
It is interior；When setting second temperature detector, when the temperature measured is greater than second threshold, the controller control starting groove profile pipeline
Liquid-cooling circulating system.
When vehicle power supply is turned on, if second temperature device detection temperature is less than third threshold value and is greater than four threshold values,
Controller control starting electromagnetic heating part heating；If second temperature device detects temperature less than four threshold values, controller control is same
The heating of Shi Qidong electromagnetic heating part and fluid circulation system；If the second temperature detector detection temperature is greater than the 5th threshold value
When, electromagnetic heating part and/or fluid circulation system are closed in controller control.
In vehicle travel process, when the temperature that second temperature detector measures is less than four threshold values, controller control is opened
The liquid heating circulation system of dynamic groove profile pipeline, prevents electromagnetic heating from influencing the electron stream of inside battery in vehicle travel process
It is dynamic, influence the performance of battery；
If the second temperature detector detection temperature is greater than five threshold values, controller controls closing liquid cyclic system
System.
Wherein, the 4th threshold value is less than third threshold value, and third threshold value is less than the 5th threshold value.Third threshold value is set as 10 degrees Celsius
Left and right, the 4th threshold value are 0 degrees centigrade, and the 5th threshold value is 15 degrees centigrades.Battery pack upper and lower level filling liquid be
Refrigerant will not preferably destroy the chlorofluorocarbons of ozone layer, and the first threshold set i.e. evaporating temperature is 40 degree Celsius.
The temperature i.e. second threshold of the outer wall of groove profile pipeline is set as 40 degrees Celsius, at this time the battery temperature in phase-change material
Substantially it is higher than the second threshold temperature, needs to start the liquid-cooling circulating system of diamond shape barrel, the liquid medium of circulation is to add
There is the aqueous solution of a small amount of ethylene glycol, water is flowed from a point multiple directions after the entrance of the bottom inlet of battery pack, in battery pack sufficiently
It is flowed out after flowing from the outlet above battery pack.Liquid in barrel not only cools down to upper and lower level refrigerant, and middle layer percentage of batteries produces
The tube wall that raw heat can also pass to barrel by the phase-change material of high thermal conductivity is taken away heat by liquid.
The inside longitudinal subdivision of battery pack device is multilayer space, refrigerant by setting layered seal plate by the utility model
Be distributed in close in the sheaf space of the positive and negative pole of battery, the layered seal plate by the positive and negative electrode column sealing of the battery and with
The refrigerant separates, and middle space is filled with phase-change material, and when realizing that battery temperature increases, vaporization refrigerant is along on upper cover plate points
The fin radiator that the heat pipe of cloth conducts heat to outside carries out wind cooling temperature lowering.In addition, setting is in also between single battery
The groove profile pipeline of rectangular-ambulatory-plane distribution, connects between groove profile pipeline at diagonal line, forms a plurality of access, liquid is filled in the slot
In type pipeline, various ways combination, uniform efficient heat dissipation effect are realized.In addition, passing through setting temperature detector and control
Device, the present invention can also start multistage heat dissipation and heating system according to the actual temperature in battery pack device: first use refrigerant evaporation
Heat absorption, and air-cooled level-one cooling system is carried out in conjunction with radiator；When ideal heat dissipation effect is not achieved, i.e., when setting is in the second temperature
When the temperature that degree detector measures is greater than second threshold, the liquid-cooling circulating system of the controller control starting groove profile pipeline, with
Realize the two-class heat dissipation of liquid cooling cooling-down.In addition, according to current actual temperature, when the temperature for second temperature detector is arranged in measuring
When degree is less than third threshold value and is greater than four threshold values, controller starts electromagnetic heating part and realizes level-one heating；When setting is second
When the temperature that temperature detector measures is less than four threshold values, start the liquid heating circulation system of groove profile pipeline, realizes that second level adds
Heat.
In general, the heat dissipation of the battery pack of the utility model and managing device can either start simultaneously refrigerant, radiator,
The radiation management system of liquid cooling cycle, or start the heating management system of battery heating coil and hydronic simultaneously
System regulates and controls with the use of the temperature for realizing solar panel.In addition, the device can also be controlled according to the actual temperature inside battery case
The corresponding heat dissipation of system starting and heating management system start liquid-cooling heat radiation system that is, in refrigerant and ineffective wind-cooling heat dissipating
System, without starting multiple cooling systems simultaneously；When battery is from heat production temperature deficiency in vehicle travel process, start liquid circulation
Heating system, without starting multiple heat dissipations or heating system simultaneously.The heat dissipation of battery pack of the invention and managing device and side
Method solves battery of electric vehicle heat management is single, and battery heat exchange efficiency is slow and uneven, and heating power loss is big and speed is slow etc.
Problem.
Although above-mentioned specific embodiment describes the spirit and principle of the utility model, it should be appreciated that, this is practical
Novel it is not limited to the specific embodiments disclosed, does not also mean that the feature in these aspects cannot to the division of various aspects
Combination is benefited to carry out, this to divide the convenience merely to statement.The utility model is intended to cover the essence of appended claims
Included various modifications and equivalent arrangements in mind and range.
Claims (10)
1. heat dissipation and the heating device of a kind of battery pack, which is characterized in that described device includes multiple single batteries, refrigerant, dissipates
Hot device, layered seal plate, groove profile pipeline, seal cover board and phase-change material；Wherein, the seal cover board includes upper cover plate under
The inside longitudinal subdivision of described device is multilayer space by cover board, the layered seal plate, and refrigerant is distributed in positive and negative close to battery
In the sheaf space of pole, the layered seal plate is separated by the positive and negative electrode column sealing of the battery and with the refrigerant, groove profile pipe
Road is distributed in battery ambient, and liquid is filled in the groove profile pipeline.
2. heat dissipation and the heating device of a kind of battery pack as described in claim 1, which is characterized in that the layered seal plate
Quantity is 4, respectively first layer sealing plate, the second layered seal plate, third layered seal plate, the 4th layered seal plate,
The layered seal plate by the space longitudinal subdivision where single battery shell be three layers, respectively upper space, middle space,
Lower layer space, the upper space and the lower layer space are respectively the sheaf space close to the positive and negative pole of battery, on the upper layer
It is filled with refrigerant in space and the lower layer space, phase-change material is filled in the middle space, the first layer is close
Sealing plate and the 4th layered seal plate are separated by the positive and negative electrode column sealing of the battery and with the refrigerant.
3. heat dissipation and the heating device of a kind of battery pack as claimed in claim 2, which is characterized in that on each single battery
It is provided with electromagnetic heating part, the electromagnetic heating part is electromagnetic heating coil or electromagnetic heating film.
4. heat dissipation and the heating device of a kind of battery pack as described in any one of claims 1-3, which is characterized in that the groove profile
Pipeline is distributed between the single battery in rectangular-ambulatory-plane, is connected at diagonal line between the groove profile pipeline, and access is formed；Institute
The height for stating groove profile pipeline is close with the height of the single battery.
5. heat dissipation and heating device such as a kind of described in any item battery packs of claim 2-3, which is characterized in that the upper cover
Plate and lower cover plate have and will uniformly be equipped with connection heat pipe on the concatenated circuit interface of each single battery and the upper cover plate
Radiator.
6. heat dissipation and the heating device of a kind of battery pack as claimed in claim 5, which is characterized in that the heat pipe includes long heat
Pipe and short heat pipe, the short heat pipe reach the upper space, radiate for the refrigerant evaporation in the upper space, the long heat
Pipe reaches the lower layer space, radiates for the refrigerant evaporation in the lower layer space, and one end sealing of the heat pipe is dissipated with described
Hot device connection.
7. heat dissipation and the heating device of a kind of battery pack as described in any one of claims 1-3, which is characterized in that further include temperature
Detector is spent, the temperature detector includes the first temperature detector and/or second temperature detector, the first temperature detector position
In coolant media, second temperature detector is located at one or more between the phase-change material and groove profile pipeline outer wall of middle space
A position.
8. heat dissipation and the heating device of a kind of battery pack as described in any one of claims 1-3, which is characterized in that the heat dissipation
Device is Round fin radiator.
9. heat dissipation and the heating device of a kind of battery pack as claimed in claim 7, which is characterized in that it further include controller, if
It is set to two-class heat dissipation, when the temperature that the second temperature detector measures is greater than second threshold, the controller control starting
The liquid-cooling circulating system of groove profile pipeline；When at low ambient temperatures, when vehicle launch needs to preheat, the controller control starts
Electromagnetic heating part and/or fluid circulation system heating；In vehicle travel process, the temperature that second temperature detector measures is small
When four threshold values, the hydronic heating system of the controller control starting groove profile pipeline.
10. heat dissipation and the heating device of a kind of battery pack as claimed in claim 3, which is characterized in that the refrigerant is will not
The chlorofluorocarbons of ozone layer is destroyed, the groove profile pipeline is filled with liquid medium, and the liquid medium is added with a small amount of second two
The aqueous solution of alcohol, the phase-change material are the paraffin added with a certain amount of graphite, and the electromagnetic heating coil is laminar spiral
Wire coil, the electromagnetic heating film are metal film.
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| CN201820729571.2U CN208489331U (en) | 2018-05-16 | 2018-05-16 | A kind of heat dissipation of battery pack and heating device |
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| CN201820729571.2U CN208489331U (en) | 2018-05-16 | 2018-05-16 | A kind of heat dissipation of battery pack and heating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493514A (en) * | 2018-05-16 | 2018-09-04 | 西安科技大学 | A kind of heat dissipation of battery pack and heating device and control method |
| CN114039124A (en) * | 2021-11-09 | 2022-02-11 | 镇江市高等专科学校 | Power battery multistage heat dissipation system based on magnetic refrigeration effect and control method |
| CN115548507A (en) * | 2022-08-29 | 2022-12-30 | 西安交通大学 | Direct cooling and phase change cooling coupled battery thermal management system and manufacturing method |
-
2018
- 2018-05-16 CN CN201820729571.2U patent/CN208489331U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493514A (en) * | 2018-05-16 | 2018-09-04 | 西安科技大学 | A kind of heat dissipation of battery pack and heating device and control method |
| CN108493514B (en) * | 2018-05-16 | 2024-01-26 | 西安科技大学 | Heat dissipation and heating device of battery pack and control method |
| CN114039124A (en) * | 2021-11-09 | 2022-02-11 | 镇江市高等专科学校 | Power battery multistage heat dissipation system based on magnetic refrigeration effect and control method |
| CN115548507A (en) * | 2022-08-29 | 2022-12-30 | 西安交通大学 | Direct cooling and phase change cooling coupled battery thermal management system and manufacturing method |
| CN115548507B (en) * | 2022-08-29 | 2023-11-14 | 西安交通大学 | Direct cooling and phase change cooling coupled battery thermal management system and manufacturing method |
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